* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
html, body {
    height: 100%;
}
body {
    font: 14px "Lucida Grande", Helvetica, Arial, sans-serif;
    background-color: #000;
    text-align: center;
}
header, .left, .right {
    position: absolute;
}
header {
    color: white;
    height: 150px;
    top: 10px;
    right: 10px;
    left: 10px;
    /*border: 1px #fff solid;*/
}
header h1 {
    font-size: 40px;
    height: 60px;
    line-height: 60px;
}
header .type {
    list-style: none;
    display: inline-block;
    border-radius: 4px;
    border: 1px #ccc solid;
    margin-bottom: 10px;
}
header .type li {
    cursor: pointer;
    float: left;
    font-size: .75rem;
    width: 80px;
    height: 24px;
    line-height: 24px;
    text-align: center;
}
.selected {
    background-color: white;
    color: black;
}
.clearfix::after {
    content: "";
    clear: both;
    visibility: hidden;
}
.left {
    left: 10px;
    top: 170px;
    bottom: 10px;
    
    width: 15%;
    
    border: 1px #fff solid;
    overflow: auto;
}
.left ul {
    overflow: auto;
}
.left ul li {
    font-size: .75rem;
    color: white;
    height: 30px;
    line-height: 30px;
    text-align: left;
    padding: 5px;
    cursor: pointer;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.left ul .selected {
    color: green;
}
.right {
    top: 170px;
    right: 10px;
    bottom: 10px;
    left: calc(15% + 20px);
    left: -webkit-calc(15% + 20px);
}
input[type="range"] {
    /*滑条*/
    
    -webkit-appearance: none;
    /*取消默认样式*/
    
    height: 8px;
    background: #999;
    border-radius: 10px;
    outline: none;
}
input[type="range"]::-webkit-slider-thumb {
    /*滑块*/
    
    -webkit-appearance: none;
    height: 12px;
    width: 12px;
    background: #fff;
    border-radius: 100%;
}
input[type="range"]::-moz-range-track {
    /*滑条*/
    
    height: 8px;
    background: #999;
    border-radius: 10px;
    border: none;
}
input[type="range"]::-moz-range-thumb {
    /*滑块伪类*/
    
    -webkit-appearance none;
    height: 12px;
    width: 12px;
    background: #fff;
    border-radius: 100%;
}
@media screen and (max-width: 800px), screen and (max-height: 500px) {
    body {
        font-size: 12px;
    }
    header {
        height: 80px;
    }
    header h1 {
        font-size: 24px;
        height: 34px;
        line-height: 34px;
    }
    header .type {
        margin-bottom: 0;
    }
    header .type li {
        width: 50px;
        height: 16px;
        line-height: 16px;
    }
    .left, .right {
        top: 100px;
    }
}
.loading{
    width: 50%;
    height: 50%;
    left: 0px;
    right: 0px;
    position: absolute;
    margin: auto;
    top: 20%;
    display: none;
}
#add{
    font-size: 14px;
    width: 110px;
    height: 32px;
    line-height: 32px;
    text-align: center;
    color:#fff;
    margin: 20px 0;
    cursor: pointer;
}
#loadMusic{
    visibility: hidden;
}